Remove plumbing for inert-visual-viewport flag

content/renderer/render_view_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/render_view_impl.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/auto_reset.h"
@@ skipping 1028 matching lines @@
       prefs.image_color_profiles_enabled);
   settings->setShouldRespectImageOrientation(
       prefs.should_respect_image_orientation);
 
   settings->setUnsafePluginPastingEnabled(false);
   settings->setEditingBehavior(
       static_cast<WebSettings::EditingBehavior>(prefs.editing_behavior));
 
   settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
 
-  settings->setInertVisualViewport(prefs.inert_visual_viewport);
-
   // TODO(bokan): Remove once Blink side is gone.
   settings->setInvertViewportScrollOrder(true);
 
   settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
 
   settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
 
   settings->setSelectionIncludesAltImageText(true);
 
   settings->setV8CacheOptions(
@@ skipping 2624 matching lines @@
     std::vector<gfx::Size> sizes;
     ConvertToFaviconSizes(icon_urls[i].sizes(), &sizes);
     if (!url.isEmpty())
       urls.push_back(
           FaviconURL(url, ToFaviconType(icon_urls[i].iconType()), sizes));
   }
   SendUpdateFaviconURL(urls);
 }
 
 }  // namespace content